package net.ufrog.common.exception;

/**
 * 用户未登录异常
 * 
 * @author ultrafrog
 * @version 0.1, 2014-01-17
 * @since 0.1
 */
public class NotSignException extends ServiceException {

    private static final long serialVersionUID 	= -3461737837766355183L;
    private static final String EX_NOT_SIGN		= "common.exception.not.sign";

    /** 构造函数 */
    public NotSignException() {
        super("user is not sign in.", EX_NOT_SIGN);
    }
}
